Question: "Which is {based in} of {Cuban Missile Crisis}, whose {tributary} is {Grande de Matagalpa River} ?"
Paraphrase: "Which is {based in} of {Cuban Rocket Emergency}, whose {tributary} is {Grande de Matagalpa Waterway} ?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q128160 wdt:P276 ?answer . ?answer wdt:P974 wd:Q5595372}
Answer: Caribbean Sea